org.geotools.index.rtree.cachefs
Class Parameters

java.lang.Object
  org.geotools.index.rtree.cachefs.Parameters

public class Parameters

extends java.lang.Object

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Author:

Tommaso Nolli

Constructor Summary

Parameters()

Method Summary

void	flushCache() Flushes all nodes and clears the cache
java.nio.channels.FileChannel	getChannel() DOCUMENT ME!
DataDefinition	getDataDef() DOCUMENT ME!
boolean	getForceChannel() DOCUMENT ME!
java.util.Stack	getFreePages() DOCUMENT ME!
FileSystemNode	getFromCache(long offset) Gets a FileSystemNode from the cache, if the node is non there, a new node will be created and added to the cache.
int	getMaxNodeEntries() DOCUMENT ME!
int	getMinNodeEntries() DOCUMENT ME!
long	getNewNodeOffset(int len) DOCUMENT ME!
short	getSplitAlg() DOCUMENT ME!
void	putToCache(FileSystemNode node) Soters a FileSystemNode in the cache.
void	removeFromCache(FileSystemNode node) Removes a node from the cache
void	setChannel(java.nio.channels.FileChannel channel) DOCUMENT ME!
void	setDataDef(DataDefinition definition) DOCUMENT ME!
void	setForceChannel(boolean b) DOCUMENT ME!
void	setFreePages(java.util.Stack stack) DOCUMENT ME!
void	setMaxNodeEntries(int i) DOCUMENT ME!
void	setMinNodeEntries(int i) DOCUMENT ME!
void	setNodeCacheSize(int size)
void	setSplitAlg(short s) DOCUMENT ME!

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Parameters

public Parameters()

Method Detail

getChannel

public java.nio.channels.FileChannel getChannel()

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Returns:

getDataDef

public DataDefinition getDataDef()

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Returns:

getMaxNodeEntries

public int getMaxNodeEntries()

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Returns:

getMinNodeEntries

public int getMinNodeEntries()

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Returns:

getSplitAlg

public short getSplitAlg()

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Returns:

setChannel

public void setChannel(java.nio.channels.FileChannel channel)

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Parameters:

channel -

setDataDef

public void setDataDef(DataDefinition definition)

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Parameters:

definition -

setMaxNodeEntries

public void setMaxNodeEntries(int i)

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Parameters:

i -

setMinNodeEntries

public void setMinNodeEntries(int i)

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Parameters:

i -

setSplitAlg

public void setSplitAlg(short s)

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Parameters:

s -

getForceChannel

public boolean getForceChannel()

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Returns:

setForceChannel

public void setForceChannel(boolean b)

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Parameters:

b -

getFreePages

public java.util.Stack getFreePages()

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Returns:

setFreePages

public void setFreePages(java.util.Stack stack)

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Parameters:

stack -

setNodeCacheSize

public void setNodeCacheSize(int size)
                      throws TreeException

Throws:

TreeException

getFromCache

public FileSystemNode getFromCache(long offset)
                            throws java.io.IOException,
                                   TreeException

Gets a FileSystemNode from the cache, if the node is non there, a new node will be created and added to the cache.

Parameters:

offset - The node offset

Returns:

a FileSystemNode

Throws:

java.io.IOException

TreeException

getNewNodeOffset

public long getNewNodeOffset(int len)
                      throws java.io.IOException

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Parameters:

len -

Returns:

Throws:

java.io.IOException - DOCUMENT ME!

putToCache

public void putToCache(FileSystemNode node)
                throws TreeException

Soters a FileSystemNode in the cache.

Parameters:

node - the FileSystemNode to store

Throws:

TreeException

removeFromCache

public void removeFromCache(FileSystemNode node)

Removes a node from the cache

Parameters:

node - the node to remove

flushCache

public void flushCache()
                throws TreeException

Flushes all nodes and clears the cache

Throws:

TreeException